<template>
  <div
    class="ValidCode disabled-select"
    :style="`width:${width}; height:${height}`"
    @click="refreshCode"
  >
    <span
      v-for="(item, index) in codeList"
      :key="index"
      :style="getStyle(item)"
      >{{ item.code }}</span
    >
  </div>
</template>

<script>
export default {
  name: "ValidCode",
  model: {
    prop: "value",
    event: "input",
  },
  props: {
    width: {
      type: String,
      default: "110px",
    },
    height: {
      type: String,
      default: "30px",
    },
    length: {
      type: Number,
      default: 4,
    },
    refresh: {
      type: Number,
    },
  },
  data() {
    return {
      codeList: [],
    };
  },
  watch: {
    refresh() {
      this.createdCode();
    },
  },
  mounted() {
    this.createdCode();
  },
  methods: {
    refreshCode() {
      this.createdCode();
    },
    createdCode() {
      const len = this.length;
      const codeList = [];
      const chars = "ABCDEFGHJKMNPQRSTWXYZabcdefhijkmnprstwxyz0123456789";
      const charsLen = chars.length;
      // 生成
      for (let i = 0; i < len; i++) {
        const rgb = [
          Math.round(Math.random() * 220),
          Math.round(Math.random() * 240),
          Math.round(Math.random() * 200),
        ];
        codeList.push({
          code: chars.charAt(Math.floor(Math.random() * charsLen)),
          color: `rgb(${rgb})`,
          fontSize: `${10 + (+[Math.floor(Math.random() * 10)] + 6)}px`,
          padding: `${[Math.floor(Math.random() * 1)]}px`,
          transform: `rotate(${
            Math.floor(Math.random() * 90) - Math.floor(Math.random() * 90)
          }deg)`,
        });
      }
      // 指向
      this.codeList = codeList;
      // 将当前数据派发出去
      // console.log(codeList.map((item) => item.code).join(""));
      this.$emit("input", codeList.map((item) => item.code).join(""));
    },
    getStyle(data) {
      return `color: ${data.color}; font-size: ${data.fontSize}; padding: ${data.padding}; transform: ${data.transform}`;
    },
  },
};
</script>

<style scoped>
.ValidCode {
  display: inline-block;
  background-color: white;
  margin-left: 10px;
  vertical-align: middle;
  border-radius: 3px;
  cursor: pointer;
}
.ValidCode span {
  display: inline-block;
  margin-right: 10px;
}
</style>